State the partial pressure of he in the container

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Reference no: EM13649675

A 250.0-L cylinder contains 65.0% He(g) and 35.0% Kr(g) by mass at 25.0° C and 1.35 atm total pressure. What is the partial pressure of He in this container?

A) 0.473 atm

B) 0.675 atm

C) 0.878 atm

D) 1.32 atm

E) 1.35 atm

Reference no: EM13649675

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